"It was obviously a surprise, I think for everybody," the ex-One Direction star told Dazed. "A lot of starting references for me are technology and Prince. I'm conscious in the back of my head, of how he was sort of bold and fearless in the way he decided to dress.

"He created another world with the clothes he wore, and it gave him an otherworldly feel, which is all part of his legend, I guess. I was really upset with the fact that he passed away.